Mount Union, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Mount Union weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain57%0.62″96°73°—
- SundayJul 5Heavy Rain43%0.69″86°71°-10°
- MondayJul 6Light Showers86%—85°70°-1°
- TuesdayJul 7Light Showers86%—77°67°-8°
- WednesdayJul 8Drizzle20%0.09″68°65°-9°
- ThursdayJul 9Light Drizzle14%—91°64°+23°
- FridayJul 10Light Drizzle55%—87°67°-4°
AQI 79 (Moderate), driven by Ozone. AQI up 8 over the last 6 hours (gradual rise). Ozone at AQI 47. Overcast through the UV peak window (cloud cover ~99%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 47. Overcast through the UV peak window (cloud cover ~99%) — afternoon ozone should stay flat.
- Present
- AQI 47
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:29 PM
- Moonset
- 11:21 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Mount Union at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 17066
16-Day Forecast — Mount Union
- Sat96°73°57%
- Sun86°71°43%
- Mon85°70°86%
- Tue77°67°86%
- Wed68°65°20%
- Thu91°64°14%
- Fri87°67°55%
- Sat87°63°33%
- Sun82°59°20%
- Mon86°52°22%
- Tue88°60°20%
- Wed84°61°34%
- Thu86°57°30%
- Fri88°57°42%
- Sat88°67°44%
- Sun81°68°45%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Mount Union
SPC has placed Mount Union in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Mount Union
- 17066